Duplicate VSS writers from "vssadmin list writers"

Discussion in 'Windows Server' started by Hong, Mar 30, 2009.

  1. Hong

    Hong Guest

    hi

    I raised a query with the topic "Missing VSS writers from vssadmin list
    writers" and the solution /work around was to re-do the steps in KB940184
    with miminal number of running applications esp Exchange

    Now the reverse seems to happen when the same server shows 2 Exchange
    writers of same WriterID but different WriterInstanceIDs when doing "vssadmin
    list writers"

    Writer name: 'Microsoft Exchange Writer'
    Writer Id: {76fe1ac4-15f7-4bcd-987e-8e1acb462fb7}
    Writer Instance Id: {e4a7cd9e-f180-4cea-9609-bd9ed730f893}
    State: [1] Stable
    Last error: No error

    Writer name: 'Microsoft Exchange Writer'
    Writer Id: {76fe1ac4-15f7-4bcd-987e-8e1acb462fb7}
    Writer Instance Id: {8d980964-7e91-4f15-ba05-010ba7b93f8c}
    State: [1] Stable
    Last error: No error

    Is this normal to have 2 instances from the same VSS writer? If not, is it
    safe to remove one of them inside the registry, and using what criterion for
    the registry subhive target for deletion?

    Thanks


    Hong
     
    Hong, Mar 30, 2009
    #1
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